Finding the Fourth Proportional to 578,368.16, 867,453.84 and 157,545.60
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Solution
The fourth proportional to 578,368.16, 867,453.84 and 157,545.60 is: 236,291.60
Step by Step Solution
- Step 1: Write the proportion equation
578,368.16 : 867,453.84 = 157,545.60 : x - Step 2: Convert to fraction form
578,368.16/867,453.84 = 157,545.60/x - Step 3: Cross multiply
578,368.16x = 867,453.84 × 157,545.60 - Step 4: Simplify right side
578,368.16x = 136,663,535,695.10 - Step 5: Solve for x
x = 136,663,535,695.10/578,368.16 - Step 6: Final answer
x = 236,291.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.